#8098: Mystery task hogs 50% of CPU.
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Reporter: thomaswamm | Owner:
Type: defect | Status: new
Priority: normal | Milestone: 8.2.0 (was Update.2)
Component: not assigned | Version: not specified
Resolution: | Keywords:
Next_action: reproduce | Verified: 0
Blockedby: | Blocking:
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Comment(by thomaswamm):
Replying to [comment:8 marco]:
> Does this happen only after you started at least one activity? Does
rebooting always solve it?
>
> My only suspect is that the launcher icon might keep spinning. I cannot
reproduce it though.
Yes, I have only observed the hog when using an XO activity, always
Browse-95, plus sometimes also Terminal, Journal, Pippy, Measure, Logs,
Firefox-4.xo. I avoid running more than 3 activities. Rebooting the
entire XO always stops the problem. If I see the hog again, I shall try
ctrl-alt-erase to reboot only sugar.
As an experiment, I cold-booted my XO (to Home view, with only Journal
started in background), then I went away for 5 hours. No appearance of
the 50% hog, though python /usr/bin/sugar-shell is listed in top, using
under 1% CPU and 17% mem. When I kill <PID> that process, X-server and
sugar die, then restart.
I have been running Browse a few hours now, with no hog. I cannot yet
reproduce the hog bug on demand.
So I suppose sugar-shell is the sugar GUI. Maybe the hog correlates with
particular sugar features such as clipboard items or keyboard cheat codes
or keyboarding errors, or persistent pallettes. Spinning code? To be
tested...
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Ticket URL: <http://dev.laptop.org/ticket/8098#comment:9>
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